diff --git a/fabric-contract-api/lib/annotations/transaction.js b/fabric-contract-api/lib/annotations/transaction.js
index 857a5918..019384ec 100644
--- a/fabric-contract-api/lib/annotations/transaction.js
+++ b/fabric-contract-api/lib/annotations/transaction.js
@@ -25,6 +25,9 @@ module.exports.Transaction = function Transaction (commit = true) {
 
         const description = '';
         const contextType = target.createContext().constructor;
+
+        logger.debug(`Transaction ${target} -> ${propertyKey} params`, paramNames);
+
         const paramTypes = Reflect.getMetadata('design:paramtypes', target, propertyKey) || [];
 
         let numRemoved = 0;
diff --git a/fabric-shim/lib/contract-spi/chaincodefromcontract.js b/fabric-shim/lib/contract-spi/chaincodefromcontract.js
index 5e4e284b..6ed61eb7 100644
--- a/fabric-shim/lib/contract-spi/chaincodefromcontract.js
+++ b/fabric-shim/lib/contract-spi/chaincodefromcontract.js
@@ -42,7 +42,8 @@ class ChaincodeFromContract {
         }
 
         this.serializers = serializers;
-        logger.info('Using serializers', serializers);
+        logger.debug('Using serializers', serializers);
+
 
         this.title = title;
         this.version = version;